David S. Oderberg 
Opting Out: Conscience and Cooperation in a Pluralistic Society [PDF ebook] 
Conscience and Cooperation in a Pluralistic Society

David S. Oderberg is Professor of Philosophy at the University of Reading. He completed his doctorate at Wolfson College, Oxford, and became Lecturer in Philosophy at Reading in 1992. He has written four books and edited or co-edited five others, as well as being the author of over sixty papers. His main research areas are metaphysics and ethics, but he also works in philosophy of religion, philosophy of science, and other areas. In 2013 he delivered the Hourani Lectures in Ethics at the State University of New York, Buffalo, and in 2003 was a Visiting Scholar at the Social Philosophy and Policy Center, Bowling Green, Ohio. Professor Oderberg is a Senior Fellow of the Higher Education Academy, and in 2016 was named, by a major US website for prospective college applicants, as one of the fifty most influential living philosophers.